Question
Statement 1: Density of all the nuclei is same
Statement 2: Radius of nucleus is directly proportional to the cube root of mass number
- Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
- Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
- Statement 1 is True, Statement 2 is False
- Statement 1 is False, Statement 2 is True
The correct answer is: Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
Experimentally, it is found that the average radius of a nucleus is given by
Where 
and A = mass number
Where Related Questions to study
Statement 1: The mass of a nucleus can be either less than or more than the sum of the masses of nucleons present in it
Statement 2: The whole mass of the atom is considered in the nucleus
Statement 1: The mass of a nucleus can be either less than or more than the sum of the masses of nucleons present in it
Statement 2: The whole mass of the atom is considered in the nucleus
Statement 1: Hydrogen atom consists of only one electron but its emission spectrum has many lines
Statement 2: Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found
Statement 1: Hydrogen atom consists of only one electron but its emission spectrum has many lines
Statement 2: Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found
Statement 1: The ionizing power of 
particle is less compared to 
particles but their penetrating power is more
Statement 2: The mass of particle is less than the mass of particle
Statement 1: The ionizing power of particle is less compared to particles but their penetrating power is more
Statement 2: The mass of particle is less than the mass of particle
Statement 1: For the scattering of particles at large angles, only the nucleus of the atom is responsible
Statement 2: Nucleus is very heavy in comparison to electrons
Statement 1: For the scattering of particles at large angles, only the nucleus of the atom is responsible
Statement 2: Nucleus is very heavy in comparison to electrons
Statement 1: Isobars are the element having same mass number but different atomic number
Statement 2: Neutrons and protons are present inside nucleus
Statement 1: Isobars are the element having same mass number but different atomic number
Statement 2: Neutrons and protons are present inside nucleus
Statement 1: The mass of particles when they are emitted is higher than the mass of electrons obtained by other mean
Statement 2: particle and electron, both are similar particles
Statement 1: The mass of particles when they are emitted is higher than the mass of electrons obtained by other mean
Statement 2: particle and electron, both are similar particles
Statement 1: Electron capture occurs more often than positron emission in heavy elements
Statement 2: Heavy elements exhibit radioactivity
Statement 1: Electron capture occurs more often than positron emission in heavy elements
Statement 2: Heavy elements exhibit radioactivity
Statement 1: 
from the radioactive fall out from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells
Statement 2: The energy particle emitted in the decay of 
damage to bone marrow
Statement 1: from the radioactive fall out from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells
Statement 2: The energy particle emitted in the decay of damage to bone marrow
Statement 1: from the radioactive fall out from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells.
Statement 2: The energetic particles emitted in the decay of damage the bone marrow.
Statement 1: from the radioactive fall out from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells.
Statement 2: The energetic particles emitted in the decay of damage the bone marrow.
Statement 1: Half-life of a certain radioactive element is 100 days. After 200 days, fraction left undecayed will be 50%
Statement 2: 
, where symbols have usual meaning.
Statement 1: Half-life of a certain radioactive element is 100 days. After 200 days, fraction left undecayed will be 50%
Statement 2: , where symbols have usual meaning.
Statement 1: According to classical theory, the proposed path of an electron in Rutherford atom model will be parabolic
Statement 2: According to electromagnetic theory an accelerated particle continuously emits radiation
Statement 1: According to classical theory, the proposed path of an electron in Rutherford atom model will be parabolic
Statement 2: According to electromagnetic theory an accelerated particle continuously emits radiation
Statement 1: Energy is released in nuclear fission
Statement 2: Total binding energy of the fission fragments is larger than the total binding energy of the parent nucleus
Statement 1: Energy is released in nuclear fission
Statement 2: Total binding energy of the fission fragments is larger than the total binding energy of the parent nucleus
Statement 1: Amongst alpha, beta and gamma rays, particle has maximum penetrating power
Statement 2: The alpha particle is heavier than beta and gamma rays
Statement 1: Amongst alpha, beta and gamma rays, particle has maximum penetrating power
Statement 2: The alpha particle is heavier than beta and gamma rays
Statement 1: 
undergoes 
decays, 
decays and 
decays and the daughter product is 
Statement 2: In decay the mass number decreases by 4 and atomic number decrease by 2. In decay the mass number remains unchanged, but atomic number increases by 1 only
Statement 1: undergoes decays, decays and decays and the daughter product is
Statement 2: In decay the mass number decreases by 4 and atomic number decrease by 2. In decay the mass number remains unchanged, but atomic number increases by 1 only
Statement 1: Balmer series lies in the visible region of electromagnetic spectrum.
Statement 2: 
where 
Statement 1: Balmer series lies in the visible region of electromagnetic spectrum.
Statement 2: where
